State law differs regarding DBA publication. Generally speaking, when publication is required, the DBA statement must be published once a week, in a specific newspaper that posts legal notices, for four consecutive weeks. Publication is included in the LegalZoom filing process.
If you are not having a period or you are having an irregular cycle, you can still get pregnant because ovulation occurs before your period, and ovulation can restart at any time. Young women can even become pregnant before their first period. There are no concrete physical signs of ovulation, so you could be ovulating and not know it.
It lasts from 3-7 days in general. The woman goes through this cycle until menopause stage, that is typically around 50-60 years of age. Until this time, she is capable of getting pregnant and bearing a child. It is generally said that sex during periods does not cause pregnancy.